| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 590 x 640 x 1060 mm | |
|---|---|---|
| Backrest inner width | 460 mm | |
| Backrest height | 570 mm | |
| Seat width | 510 mm | |
| Seat depth | 440 mm | |
| Maximum adjustable seat height | 510 mm | |
| Minimum adjustable seat height | 410 mm | |
| Armrest height above seat | 180 mm | |
| Five-star base span diameter | 640 mm | |
| Maximum total armrest height from floor | 700 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight per unit | 19 kg | |
|---|---|---|
| Recommended static user load capacity | 136 kg | |
| Seat cushion foam density | 40 kg/m³ | |
| Caster rolling durability cycle count | 40000 cycles | |
| Gas lift static load rating | 150 kg | |
| Base static load test threshold | 1136 kg | |
| Backrest mesh abrasion resistance | 50000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest construction | Tensioned polyester mesh over PP lumbar support frame | |
|---|---|---|
| Seat cushion padding | 50mm thick high-resilience cold-cure molded foam | |
| Seat upholstery | Wear-resistant polyester fabric seat cover | |
| Armrest construction | Integrated fixed loop PP armrests connected to back frame | |
| Frame and chassis | 2mm thick steel tilt mechanism under seat with PP outer back shell | |
| Gas lift cylinder | 100mm stroke Class 3 black painted steel pneumatic cylinder | |
| Five-star base | Glass-fiber reinforced nylon five-prong caster base | |
| Caster construction | 60mm diameter dual-wheel PU soft tread casters | |
| Seat support plate | 12mm thick MDF inner seat support board | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical travel via pneumatic gas lift, lever-operated under seat | |
|---|---|---|
| Swivel function | 360-degree smooth full rotation around central gas lift axis | |
| Tilt function | 12-degree backward synchro tilt with user weight tension adjustment | |
| Mobility function | Dual-wheel PU casters for smooth rolling on hard and carpeted floors | |
| Lumbar support | Fixed ergonomic shaped lumbar support zone integrated into mesh back | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Open plan office workstations | Suitable for 8 hour daily individual desk work with ergonomic lumbar support | |
|---|---|---|
| Home office spaces | Compact footprint fits standard home desk sizes for remote working use | |
| Meeting room auxiliary seating | Suitable for short to medium duration seating in small conference spaces | |
| Shared hot-desking environments | Durable construction supports multi-user rotating use in flexible offices | |
| Administrative staff workstations | Fixed armrests and easy mobility suit administrative task work requirements | |
| College library study spaces | Quiet rolling casters and breathable back suit long-duration study use | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable to office task chair dimensional, safety and strength performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable to office chair mechanical safety test methods for procurement verification | |
| EN 1335-3:2009 | Applicable to office chair structural stability and durability test criteria |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable to general-purpose office chairs safety and performance test standards |
|---|
Standards applicable to China-market projects
| GB/T 35607-2017 | Applicable to office chair stability, strength and durability testing for procurement acceptance | |
|---|---|---|
| GB/T 3324-2017 | Applicable to general furniture dimensional tolerance and finish quality requirements |
This product must meet the following technical requirements: 1. GB/T 35607-2017: Applicable to office chair stability, strength and durability testing for procurement acceptance; 2. GB/T 3324-2017: Applicable to general furniture dimensional tolerance and finish quality requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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